Nanocomposite Based Flexible Ultrasensitive Resistive Gas Sensor for Chemical Reactions Studies

Overview

Journal Sci Rep

Specialty Science

Date 2013 Jun 28

PMID 23803772

Citations 14

Authors

Sadanand Pandey

Gopal K Goswami

Karuna K Nanda

Affiliations

Soon will be listed here.

Abstract

Room temperature operation, low detection limit and fast response time are highly desirable for a wide range of gas sensing applications. However, the available gas sensors suffer mainly from high temperature operation or external stimulation for response/recovery. Here, we report an ultrasensitive-flexible-silver-nanoparticle based nanocomposite resistive sensor for ammonia detection and established the sensing mechanism. We show that the nanocomposite can detect ammonia as low as 500 parts-per-trillion at room temperature in a minute time. Furthermore, the evolution of ammonia from different chemical reactions has been demonstrated using the nanocomposite sensor as an example. Our results demonstrate the proof-of-concept for the new detector to be used in several applications including homeland security, environmental pollution and leak detection in research laboratories and many others.

Citing Articles

Flexible Sensors Based on Conductive Polymer Composites.

Zhao D, Jia W, Feng X, Yang H, Xie Y, Shang J Sensors (Basel). 2024; 24(14).

PMID: 39066060 PMC: 11280612. DOI: 10.3390/s24144664.

Nitrogen-doped carbon nano-onions/polypyrrole nanocomposite based low-cost flexible sensor for room temperature ammonia detection.

Lawaniya S, Kumar S, Yu Y, Awasthi K Sci Rep. 2024; 14(1):7904.

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Fast response and recovery polyaniline montmorillonite reduce graphene oxide polymer nanocomposite material for detection of hydrogen cyanide gas.

Singh A, Dipak P, Iqbal A, Samadhiya A, Dwivedi S, Tiwari D Sci Rep. 2023; 13(1):8074.

PMID: 37202389 PMC: 10195828. DOI: 10.1038/s41598-023-32151-0.

Effect of Ag Addition on the Gas-Sensing Properties of Nanostructured Resistive-Based Gas Sensors: An Overview.

Navale S, Shahbaz M, Mirzaei A, Kim S, Kim H Sensors (Basel). 2021; 21(19).

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Sniffing Bacteria with a Carbon-Dot Artificial Nose.

Shauloff N, Morag A, Yaniv K, Singh S, Malishev R, Paz-Tal O Nanomicro Lett. 2021; 13(1):112.

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